28309215

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{171571}}^1$

素因数の和:171590

約数の個数: 16

約数和(自身を含む): 49412736

約数和(自身を除く): 21103521

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 171571, 514713, 857855, 1887281, 2573565, 5661843, 9436405, 28309215]

約数ペア:

[(1, 28309215), (3, 9436405), (5, 5661843), (11, 2573565), (15, 1887281), (33, 857855), (55, 514713), (165, 171571)]